Answer:
Be
Explanation:
Reactivity increases from left to right and decreases from the top of the column to the bottom of column
Answer:
Change in chemical properties
Explanation:
Answer:
It's b
Explanation:
I had the same exact question
Fireworks
An exothermic reaction is one where the products have lower energy than the reactants, so the reaction yields energy. The chemical compounds present in firework fuel release a lot of energy upon oxidation. Photosynthesis is endothermic, settling of silt is not a chemical reaction, it is a physical change. Finally, the bubble formation in soda is not exothermic; otherwise, the sodas would become very hot very fast.
